
    <div style="margin-left: 60px">
      <button nz-popconfirm nzTitle="Are you sure delete this task?" (nzOnConfirm)="confirm()" (nzOnCancel)="cancel()" nzPlacement="topLeft" nz-button>TL</button>
      <button nz-popconfirm nzTitle="Are you sure delete this task?" (nzOnConfirm)="confirm()" (nzOnCancel)="cancel()" nzPlacement="top" nz-button>Top</button>
      <button nz-popconfirm nzTitle="Are you sure delete this task?" (nzOnConfirm)="confirm()" (nzOnCancel)="cancel()" nzPlacement="topRight" nz-button>TR</button>
    </div>
    <div style="width: 60px; float: left;">
      <button nz-popconfirm nzTitle="Are you sure delete this task?" (nzOnConfirm)="confirm()" (nzOnCancel)="cancel()" nzPlacement="leftTop" nz-button>LT</button>
      <button nz-popconfirm nzTitle="Are you sure delete this task?" (nzOnConfirm)="confirm()" (nzOnCancel)="cancel()" nzPlacement="left" nz-button>Left</button>
      <button nz-popconfirm nzTitle="Are you sure delete this task?" (nzOnConfirm)="confirm()" (nzOnCancel)="cancel()" nzPlacement="leftBottom" nz-button>LB</button>
    </div>
    <div style="width: 60px; margin-left: 252px;">
      <button nz-popconfirm nzTitle="Are you sure delete this task?" (nzOnConfirm)="confirm()" (nzOnCancel)="cancel()" nzPlacement="rightTop" nz-button>RT</button>
      <button nz-popconfirm nzTitle="Are you sure delete this task?" (nzOnConfirm)="confirm()" (nzOnCancel)="cancel()" nzPlacement="right" nz-button>Right</button>
      <button nz-popconfirm nzTitle="Are you sure delete this task?" (nzOnConfirm)="confirm()" (nzOnCancel)="cancel()" nzPlacement="rightBottom" nz-button>RB</button>
    </div>
    <div style="margin-left: 60px; clear: both;">
      <button nz-popconfirm nzTitle="Are you sure delete this task?" (nzOnConfirm)="confirm()" (nzOnCancel)="cancel()" nzPlacement="bottomLeft" nz-button>BL</button>
      <button nz-popconfirm nzTitle="Are you sure delete this task?" (nzOnConfirm)="confirm()" (nzOnCancel)="cancel()" nzPlacement="bottom" nz-button>Bottom</button>
      <button nz-popconfirm nzTitle="Are you sure delete this task?" (nzOnConfirm)="confirm()" (nzOnCancel)="cancel()" nzPlacement="bottomRight" nz-button>BR</button>
    </div>
  